[brlug-general] Open Source SPAM filtering

[Warren "Tray" Torrance]

The magic of gmail's spam filtering is how, I suppose. I think they use
Postini, assuming it's the same one they provide for GoogleApps subscribers.
Warren "Tray" Torrance


On Fri, Mar 5, 2010 at 08:35, Brad Bendily <bendily at gmail.com> wrote:

> "Some" of the conversation?
> How exactly does it do that?
> bb
>
> On Fri, Mar 5, 2010 at 8:20 AM, Warren "Tray" Torrance
> <torrancew at gmail.com> wrote:
> > Ironically, some of this conversation was marked as spam for me.
> >
> > Warren "Tray" Torrance
> >
> >
> > On Thu, Mar 4, 2010 at 16:10, -ray <ray at ops.selu.edu> wrote:
> >>
> >> 2nd the Roaringpenguin.com recommendation.  We used the open-source
> >> version (MIMEDefang) for years and years.  It worked great.  Never had
> the
> >> GUI (+postgres backend) or the advanced spam stuff, but i'd tested it
> and
> >> liked it.
> >>
> >> If you just want a blacklist, spamhaus is the best one out there.
> >>
> >> If you intend to go total open source (mimedefang, spamassassin,
> clamav),
> >> I'll say it's doable but it's almost a full time job keeping up with the
> >> rules and making sure you're watching and defending against the attack
> du
> >> jour.  For spam fighting, it's definitely not set it and forget it.
> >> Depending on your mail volume of course.  We ended up going with a
> >> commercial appliance (IronPort).
> >>
> >> ray
> >>
> >>
> >>
> >> On Fri, 5 Mar 2010, Shannon Roddy wrote:
> >>
> >>> Roaringpenguin.com
> >>>
> >>> GUI-fied open source packages (or debian based appliance) for a
> >>> not-so-bad
> >>> price with good support and feeds for rules.  Customizable per-domain
> >>> and/or
> >>> per-user configurations, etc.  It just works.
> >>>
> >>> On Fri, Mar 5, 2010 at 11:31 AM, Tim Fournet <tfournet at tfour.net>
> wrote:
> >>>
> >>>> I was wondering if anyone has any well-working SPAM filters based on
> >>>> open
> >>>> source software that they can recommend? The combination of solutions
> >>>> we've
> >>>> been using have worked fairly decently until recently, but fighting
> SPAM
> >>>> is
> >>>> always a changing war.
> >>>>
> >>>> I'm familiar with a lot of the commercial products on the market, but
> I
> >>>> want to give Open Source a chance before going 100% commercial. I
> >>>> wouldn't
> >>>> mind a subscription fee for some sort of signature-based service or
> >>>> blacklist if there's a good one out there, but I would love to see a
> >>>> good
> >>>> open source framework to start with.
> >>>>
> >>>> _______________________________________________
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> >>>> General at brlug.net
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> >>>>
> >>>>
> >>>
> >>
> >> --
> >> =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
> >> Ray DeJean                                       http://www.r-a-y.org
> >> Systems Engineer                    Southeastern Louisiana University
> >> IBM Certified Specialist              AIX Administration, AIX Support
> >> =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
> >>
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>
>
> --
> Have Mercy & Say Yeah
>
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